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How to Fix a Slow Draining Bathroom Sink

Watch Video on How to Fix a Slow Draining Bathroom Sink

A slow draining bathroom sink is one of those slow-onset, insidious annoyances that many of us tend to ignore until the sink has reached a painfully slow crawl. Thankfully, resolving the problem can be done in just a few simple steps.

Warning: the video does depict some gross contents in the drain!

Don Kennedy, President of ProMaster Home Repair & Handyman of Cincinnati, walks you through how to disassemble and clean both the p-trap and popup in your bathroom sink drain. This bathroom repair is simple enough that most homeowners can perform it themselves without requiring any specialized tools.

Let ProMaster Fix My Bathroom Sink

Slow Draining Bathroom Sink

Cleaning the slime out of a bathroom sink drain is no fun. But neither are the enormous repair bills from an overflowing or leaking bathroom sink. Hire a pro if this project is something you aren’t comfortable tackling on your own—and enjoy the peace of mind knowing that your sink drains and water supply lines won’t be springing a leak!

Don – After watching the video about bathroom drain cleaning, I am actually excited about giving it a try. Please have one of your Master Craftsman on call this weekend as my plumbing efforts usually result in some kind of disaster like leaky pipes that were not leaking before I started the project. Thanks for the info!

I had same problem, based on this video I cleaned the P-trap and everything else. Not much gunk. Assembled an tried – no improvement. When I tap on the drain stop, then a bubble comes up and then the flow is fast. What else could be wrong? Thanks

Khwaja, It sounds like there may be a back-pressure problem. You might want to have the vent stack checked for blockage. If this is a new house, it is possible that the vent caps were never removed after the system was pressure tested. Don